Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:08:46 2012

Optimize a model with 2112 rows, 1056 columns and 7264 nonzeros
Presolve removed 353 rows and 32 columns
Presolve time: 0.03s
Presolved: 1759 rows, 1024 columns, 6432 nonzeros
Variable types: 0 continuous, 1024 integer (1024 binary)
Found heuristic solution: objective 18.0000000

Root relaxation: objective 4.000000e+00, 1766 iterations, 0.07 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

*    0     0               0       4.0000000    4.00000   0.0%     -    0s

Explored 0 nodes (2019 simplex iterations) in 0.12 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0%